EP 1634683 B1 20080611 - Method for fabrication of industrial parts having high-aspect-ratio-through-hole section
Title (en)
Method for fabrication of industrial parts having high-aspect-ratio-through-hole section
Title (de)
Verfahren zur Herstellung von Werkstücken mit Durchgangslöchern mit hohem Aspektverhältis
Title (fr)
Procédé de manufacture de pièces ayant des trous ajourés avec un rapport de forme élevé
Publication
Application
Priority
- EP 01306147 A 20010717
- JP 2000218378 A 20000719
- JP 2000280573 A 20000914
- JP 2001076832 A 20010316
- JP 2001131490 A 20010427
Abstract (en)
[origin: EP1175978A2] A fabrication method of an industrial part having high-aspect-ratio through-hole sections using a punch and a die, includes: a first step of drilling a first hole section in a first sheet of sheet material with said punch; a second step of lifting said first sheet in tight contact with a stripper under a condition that said punch is not pulled out from the first hole section; a third step of lifting said punch so that a tip section of said punch is slightly drawn in from a bottom section of said lifted first sheet of sheet material; a fourth step of drilling a second hole section in a second sheet of sheet material with said punch; a fifth step of lifting said second sheet in tight contact with said first sheet under a condition that said punch is not pulled out from the second hole section; and a sixth step of lifting said punch so that a tip section of said punch is slightly drawn in from the bottom section of said lifted second sheet of sheet material. Subsequently, the fourth to sixth steps are repeated for lamination of a plurality of sheets of sheet material. <IMAGE>
IPC 8 full level
B26F 1/02 (2006.01); B32B 37/00 (2006.01); B32B 38/04 (2006.01); H05K 3/00 (2006.01); H05K 3/46 (2006.01)
CPC (source: EP)
B26F 1/02 (2013.01); B32B 38/04 (2013.01); H05K 3/005 (2013.01); B26F 2210/08 (2013.01); B32B 2038/047 (2013.01); B32B 2457/08 (2013.01); H05K 1/0306 (2013.01); H05K 1/0393 (2013.01); H05K 3/4611 (2013.01); H05K 3/4629 (2013.01); H05K 3/4635 (2013.01); H05K 3/4638 (2013.01); H05K 2201/096 (2013.01); H05K 2203/0195 (2013.01); H05K 2203/1476 (2013.01)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 1175978 A2 20020130; EP 1175978 A3 20040102; EP 1175978 B1 20051207; CN 1144635 C 20040407; CN 1336260 A 20020220; DE 60115549 D1 20060112; DE 60115549 T2 20060810; DE 60134435 D1 20080724; EP 1634683 A2 20060315; EP 1634683 A3 20060322; EP 1634683 B1 20080611
DOCDB simple family (application)
EP 01306147 A 20010717; CN 01132849 A 20010719; DE 60115549 T 20010717; DE 60134435 T 20010717; EP 05026190 A 20010717